Sand-drier.



Patented Mar. 1:, I902.

SAND I DRIER.

(Application filed Apr. 11, 1901.)

2 Shae ts-Sheet L (No Model.)

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mm Mar. n, I902.

N. 0. SPEEB.

SAND DRIER.

(Application med Apr. 11, 1901.)

(No Model.)

UNI

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this water or condensed steam.

UNITED STATES PATENT OFFICE.

NOAH Q. SPEER, OF PITTSBURG, PENNSYLVANIA.

SAND-DRIER.

SPECIFICATION forming part of Letters Patent No. 695,004, dated March.11, 1 962.

Application filed April 11, 1901. Serial No. 55,300. [No model.)

To all whom it may concern.-

Be it known that I, NOAH Q. SPEER, a citizen of the United States ofAmerica, residing at Pittsburg, in the county of Allegheny and State ofPennsylvania, have invented certain new and useful Improvements inSand-Briers; and I do hereby declare the following to be afull,clear,and exact description thereof, reference beinghad to theaccompanying drawings,

ceptacle has arranged therein a series of substantially horizontalpipes, the latter being only at sufficient inclination to carry oii? thewater or condensed steam and provided at their lower ends with cooks forcarrying of]? These pipes are connected to acommon steam-supply and aresupported within the receptacle by channel-beams, which formpassage-ways for the steam arising from the damp sand, thesepassage-ways leading to dues in the wall of the sand-receptacle, theseiiues connecting with a main fine, in which a fan is arranged forforming a forced draft to draw oii this steam. The dried sand isdelivered through a chute to a traveling carrier or endless belt, whichAll of this construction, together with other details entering into myinvention, will be hereinafter morespecifically described and thenparticularly pointed out in the appended claim, and in describing theinvention in detail reference is had to the accompanying drawings,forming a part of this specification, and wherein like numerals ofreference will be employed to designate like parts throughout theseveral views of the drawings, in which- Figure 1 is a detail sideelevation of my improved sand-drier. Fig. 2 is an end view of the same.Fig. 3 is a view of the opposite end of the drier. Fig. 4 is a top planview of my improved drier. Fig. 5 is a transverse vertical sectionalview taken on the line 5 5 of Fig. 1. Fig. 6 is a detail perspectiveview of one of the chan n el-bars by means of which the steam pipes aresupported within the drier.

To put my invention into practice, 1 form a suitable support consistingof masonry-work 1 or the like, and upon this bed is supported thesand-receptacle 2. This sand-receptacle is closed on the sides and atthe ends, and the bottom comprises two downwardly-inclined wallsconverging toward a common line, these walls 3 forming a chute fordelivering the dried sand to the endless belt or carrier 4.

This endless belt or carrier 4 is mounted on,

pulleys 5,,carried on shafts 6, which are journaled in suitable bearingscarried by the bed 1, one of said shafts having a pulley 7 forconnecting with the drive-belt. (Notshown) Extending lengthwise throughthe sand-receptacle 2 isa series of parallel rows of steampipes 8, thesepipes being arranged above each other in rows, with the lowermost pipespreferably of smaller diameter than the upper rows, as it is desired tofeed a greater quantity of steam into the pipes that lie within thebodyof the sand. These pipes are connected at their one end to a commonsteam supply 9, with their other ends extending through the opposite endwall of the receptacle and provided with removable caps 10 and alsocarry drip-cocks 12. These pipes are slightly inclined toward thislatter end of the receptacle, so that the condensed steam or watertherein will be conducted to this end of the pipes and when thedrip-cocks are opened will be discharged into troughs 14, each of whichconnect with a common discharge-pipe 15. These pipes are supportedwithin the sand-receptacle by means of channel-bars 16, which aresecured in the side walls of the receptacle and which register at theirone end with vertical fines 17 in one of the side walls of thereceptacle. These vertical dues communicate at their upper ends with ahorizontal flue at the top of the side wall, this due 17 being connectedto a fan 18, which is suitably supported from a bracket 19 at one end ofthe sand-receptacle.

The sand is placed within the receptacle at its top, and the steam beingintroduced into the pipes this sand is dried as it filters down betweenthe pipes forming the series of rows within the receptacle. These pipesbeing at a slight incline, any condensation of the steam that takesplace within the same is easily drained off at the lower end thereof.The steam arising from the damp sand is conducted by the lines in thechannel-beams which support the pipes to the vertical flues in the sidewall and up these fines to the horizontal flue at the top of thereceptacle by reason of the forced draft created by the fan at thedischarge of the horizontal flue. The endless carrier or belt formspractically the bottom of the receptacle, as it will be observed thatthe sand can be discharged only in an amount as is permitted by thespace between the lower edge of the inclined walls and the carrier.

Having fully described my invention, what I claim as new, and desire tosecure by Letters Patent, is

A sand-drier, comprising in combination with the walled inclosure,having vertical flues in one of its inner walls, channel-irons open 011their under sides supported by the opposite walls of said inclos'ure,said channel-irons opening onone side of the inclosure into said fines,and closed at their other ends, series of communicating steam-pipesresting upon said channel -irons, a hopper underneath the lower seriesof pipes and connecting the opposite walls of the inclosure, an endlesscarrier located adjacent to the outlet end of said hopper, as set forth.

In testimony whereof I have hereunto affixed my signature in thepresence of two subscribing witnesses.

NOAH o. SPEER.

WVitnesses:

JOHN GROETZINGER, EARL L. BURDIOK.

